CVE-2019-16723

NameCVE-2019-16723
DescriptionIn Cacti through 1.2.6, authenticated users may bypass authorization checks (for viewing a graph) via a direct graph_json.php request with a modified local_graph_id parameter.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs941036

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cacti (PTS)jessie0.8.8b+dfsg-8+deb8u6fixed
jessie (security)0.8.8b+dfsg-8+deb8u9fixed
stretch (security), stretch0.8.8h+ds1-10+deb9u1fixed
buster, buster (security)1.2.2+ds1-2+deb10u2fixed
bullseye1.2.10+ds1-1fixed
sid1.2.11+ds1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cactisource(unstable)1.2.7+ds1-1941036
cactisourcebuster1.2.2+ds1-2+deb10u2
cactisourcejessie(not affected)
cactisourcestretch(not affected)

Notes

[stretch] - cacti <not-affected> (vulnerability introduced later)
[jessie] - cacti <not-affected> (vulnerability introduced later)
vulnerability introduced in
https://github.com/Cacti/cacti/commit/cf73ae1a9f65b5a27d7f9d10c8e14835c3a76326
see Debian bug report for more information
https://github.com/Cacti/cacti/issues/2964
https://github.com/Cacti/cacti/commit/7a6a17252a1cbda180b61fff244cb3ce797d5264
https://github.com/Cacti/cacti/commit/c7cf4a26e4848872b48094e67f8d0a01dd7613d2
after further discussion, upstream issued a new fix which reverts previous commits
https://github.com/Cacti/cacti/commit/cfb0733597af97abc92270de4f47cbfa32f9ce8b
which turned out to be insufficient to fix the issue, follow up patches:
https://github.com/Cacti/cacti/commit/9a1d2ec46d2dde23826c134ca70a0cd3bef43ee7
https://github.com/Cacti/cacti/commit/d5f98679a06aa96adfe04f60908f9108cfc9f7f7
https://github.com/Cacti/cacti/commit/4cecb19f6be8b84fa1c7b6450b66176007cb53df
The original issue mentions only a bypass via graph_json.php but there are
additional permission checks missed while checking the issue fixed with the
upstream commits.

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